Gailyn is a very rare girls' name that was most common in the 1950s and has all but disappeared.
Gailyn is a girl name. It last appears in U.S. records in 1993. Gailyn first appears in 1939 and peaked in 1952 (11 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1993 | 5 | — | #14,239 |
| 1968 | 6 | — | #6,490 |
| 1965 | 5 | — | #6,844 |
| 1964 | 8 | — | #5,157 |
| 1961 | 10 | — | #4,349 |
| 1960 | 5 | — | #6,669 |
| 1959 | 5 | — | #6,572 |
| 1958 | 6 | — | #5,634 |
| 1957 | 6 | — | #5,622 |
| 1956 | 6 | — | #5,506 |
| 1955 | 6 | — | #5,416 |
| 1954 | 10 | — | #3,810 |
| 1953 | 5 | — | #5,964 |
| 1952 | 11 | — | #3,438 |
| 1951 | 9 | — | #3,804 |
| 1949 | 5 | — | #5,513 |
| 1948 | 5 | — | #5,521 |
| 1947 | 5 | — | #5,589 |
| 1946 | 6 | — | #4,620 |
| 1945 | 6 | — | #4,204 |
| 1939 | 5 | — | #4,478 |